| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2014-02-10 | BlackRock Inc. | ANADARKO PETROLEUM CORP | 40,059,983 | 8.0% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | ANADARKO PETROLEUM CORP | 30,419,481 | 6.1% | EDGAR |
| SC 13G/A | 2013-02-14 | WELLINGTON MANAGEMENT CO LLP | ANADARKO PETROLEUM CORP | 33,766,711 | 6.8% | EDGAR |
| SC 13G/A | 2013-02-08 | BlackRock Inc. | ANADARKO PETROLEUM CORP | 36,093,242 | 7.2% | EDGAR |
| SC 13D/A | 2013-01-18 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 49,296,205 | 47.1% | EDGAR |
| SC 13D | 2012-12-21 | ANADARKO PETROLEUM CORP | Western Gas Equity Partners, LP | 199,137,365 | 91.0% | EDGAR |
| SC 13D/A | 2012-03-09 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 40,422,004 | 44.5% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | ANADARKO PETROLEUM CORP | 30,152,228 | 6.1% | EDGAR |
| SC 13G/A | 2012-02-14 | WELLINGTON MANAGEMENT CO LLP | ANADARKO PETROLEUM CORP | 27,216,660 | 5.5% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | ANADARKO PETROLEUM CORP | 33,628,487 | 6.8% | EDGAR |
| SC 13D/A | 2011-08-15 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 39,789,221 | 47.1% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | ANADARKO PETROLEUM CORP | 27,253,435 | 5.5% | EDGAR |
| SC 13G | 2011-02-14 | WELLINGTON MANAGEMENT CO LLP | ANADARKO PETROLEUM CORP | 27,552,569 | 5.6% | EDGAR |
| SC 13G/A | 2011-02-02 | BlackRock Inc. | ANADARKO PETROLEUM CORP | 35,797,946 | 7.2% | EDGAR |
| SC 13D/A | 2010-08-13 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 10,302,631 | 24.2% | EDGAR |
| SC 13G | 2010-02-16 | FMR LLC | ANADARKO PETROLEUM CORP | 25,331,222 | 5.2% | EDGAR |
| SC 13D/A | 2010-02-12 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 9,254,435 | 25.0% | EDGAR |
| SC 13G/A | 2010-02-11 | Clearbridge Advisors, LLC | ANADARKO PETROLEUM CORP | 19,488,473 | 4.0% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | ANADARKO PETROLEUM CORP | 33,922,294 | 6.9% | EDGAR |
| SC 13D/A | 2009-07-24 | ANADARKO PETROLEUM CORP | Western Gas Partners LP | 8,633,746 | 29.3% | EDGAR |